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    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        // 给一段文章中的全部指定词语进行过滤
        // 比如我要过滤 "SM"

        // var str = 'asdasdSMasdasdasdSMsdasdasdSMsadasd'

        // 需要结果
        // asdasd**asdasdasd**sdasdasd**

        var str = 'asdasdSMasdasdasdSMsdasdasdSMsadasd';
        var res = str.replaceAll("SM","**");
        console.log(res);
    </script>
</body>

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